<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>用户登录</title>
</head>
<body>
<center>
  <h1>用户登录</h1>
  <form action="/loginUser" method="get">
    <table border="1">
      <tr>
        <td>用户名</td>
        <td><input name="username" type="text"></td>
      </tr>
      <tr>
        <td>密码</td>
        <td><input name="password" type="password"></td>
      </tr>
      <tr>
        <td colspan="2" align="center">
          <input type="submit" value="登录">
        </td>
      </tr>
    </table>
  </form>
</center>
</body>
</html>